Sure. But comparatively few of those samples represent things that you would actually want to use in the real world, while there is a lot of overly shiny eye-candy, poor user interfaces and non-native widgets - things that Flash has always been notorious for.

Flash has always served a niche for what HTML and JavaScript can't easily do; the problem is that over time this is diminishing, and it's looking like over the long term Canvas and SVG will be one more nail in the coffin.